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Ethyl acetate and ethyl propionate are two common organic solvents that have wide applications in chemical raw materials and other fields. Let's take a look at the differences in their chemical structure and properties. 

Ethyl acetate (also known as ethyl acetate) has the chemical formula C4H8O2. It is a colorless, fruity liquid mainly used as a solvent and extractant, and can also be used to synthesize cellulose acetate, vinyl alcohol, and dyes. 

The chemical formula of ethyl propionate (also known as ethyl propionate) is C5H10O2, which is also a colorless liquid commonly used as a solvent for organic synthesis reactions. It has important applications in industries such as pigments, resins, and coatings. 

The main structural difference between the two lies in the length of the carbon atom chain and the ester groups of the ester, which gives them their unique performance and advantages in some specific application fields. Ethyl acetate and ethyl propionate also differ in solubility and volatility. 

Ethyl acetate has a high solubility and strong volatility in general organic solvents, and is commonly used in products such as spray paint, varnish, and adhesives; Ethyl propionate has lower volatility and less irritation to the human body, making it more suitable for use in food additives and pharmaceutical fields. 

In addition, in the production of cellulose acetate and resin, ethyl acetate and ethyl propionate also have their own unique uses. Overall, ethyl acetate is relatively widely used in fields such as chemical engineering, ink, plastics, and coatings, while ethyl propionate is more prominent in fields such as medicine, food, spices, and cosmetics. 

I hope that through the introduction of this article, everyone can have a clearer understanding of ethyl acetate and ethyl propionate, so as to better choose and apply them.